2011 AUDI A3 child lock

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& WARNING
Rearward-facing child restraints:
• A child in a rearward-facing child safety seat installed on the
front passenger seat will be seriously injured and can be killed if
the front airbag inflates -even with an Advanced Airbag System.
• The inflating airbag will hit the child safety seat or infant
carrier with great force and will smash the child safety seat and
child against the backrest, center armrest, door or roof.
• Always be especially careful if you must install a rearward
facing child safety seat on the front passenger seat in exceptional
circumstances.
• A tight tether strap on a rearward-facing child restraint
attached to the front passenger seat can put too much pressure on
the weight-mat in the seat and register a heavier weight in the
Advanced Airbag System. The heavier weight registered can make
the system work as though an adult were on the seat and deploy
the Advanced Airbag when it must be suppressed causing serious
or even fatal injury to the child.
• Make sure that the PASSENGER AIR BAG OFF light comes on
and stays on all the time whenever the ignition is switched on.
• If the PASSENGER AIR BAG OFF light does not come on and
stay on, immediately install the rear-facing child safety seat in a
rear seating position and have the airbag system inspected by
your Audi dealer. •
Activating the convertible Locking retractor
Use the convertible locking retractor to secure a child
restraint.
Always heed the child safety seat manufacturer's instruc­
tions when installing a child restraint in your vehicle. To acti­
vate the convertible locking retractor:
Controls and equip­
ment Safety first Vehicle operation
-
Place the child restraint on a seat, preferably on the rear
seat.
- Slowly pull the belt
all the way out.
- Route it around or through the child restraint belt path
=>& .
- Push the child safety seat down with your full weight to
get the safety belt really tight.
- Insert the belt tongue into the buckle for that seating
position.
- Guide the safety belt back into the retractor until the belt
lies flat and snug on the child safety seat.
- You should hear a "clicking" noise as the belt winds back
i nto the inertia reel. Test the convertible locking retractor
by pulling on the belt. You should no longer be able to pull
the belt out of the retractor. The convertible locking
retractor is now activated.
- Make sure that the red release button is facing away from
the child restraint so that it can be unbuckled quickly.
- Pull on the belt to make sure the safety belt is properly
tight and fastened so that the seat cannot
move forward
or sideways more than one inch (2.S cm).
& WARNING
Using the wrong child restraint or an improperly installed child
restraint can cause serious personal injury or death in a crash.
• Always make sure that the safety belt retractor is locked when
installing a child safety seat. An unlocked safety belt retractor
cannot hold the child safety seat in place during normal driving or
in a crash. ._
Vehicle care Do-it-yourself service Technical data

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& WA RNING (conti nued)
• Always bu ckle the child safety seat firmly in place even if a
child i s not sitting in it . A loo se child safety seat can fly around
during a sudden stop or in a crash.
• Always make sure the seat backre st to which the child restraint
is installed is in an up right position and securely latched into place
and cannot fold forward . Otherwise, the seatback with the child
safety seat attached to it could fly forward in the event of an acci ·
dent or other emergency situation.
• Alway s read and heed all WARNINGS wheneve r using a child
restrained in a vehicle is being used=>
page 167. Special precau­
tions apply when installing a ch ild safety seat on the front
passenger seat =>
page 147, "Child restraints on the front seat -
some important things to know ".•
Deactivating the convertible Locking
retractor
The convertible l ocking retrac tor for child restraints will
be d eactivated automatically when the belt is wound all
the way back into the retractor.
- P ress t he red butto n on t he safety be lt buckle . T he belt
to ngue will pop out o f the buckle.
- G uid e the s afety belt all the way back in to its stowed posi-
t ion .
Always le t the safety be lt retract comple tely i nto i ts s towed position.
T he safety bel t can now be used as an ord inary safety belt without the
convertib le locking ret ractor for ch ild rest raints.
If th e convertible locking r etractor should be activated inadve rtently,
the safety be lt must be un fastened and guided comp letely back into
i t s s towe d position to de activa te th is fe ature. If th e convert ible locking retractor is
not deact ivated, the safety belt w ill gradua lly
become tigh ter and uncomfo rtable to we ar.
& WARNING
Improperly in stalled child safety seats increase the risk of serious
personal injury and death in a collision.
• Never unfasten the safety belt to deactivate the convertible
lo cking retractor for child restraints while the vehicle is moving.
You would not be restrained and could be seriou sly injured in an
a ccident .
• Always read and heed all WARNINGS whenever u sing a child
restrained in a vehicle is being used =>
page 167. Special precau·
tions apply when in stalling a child safety seat on the front
passenger seat =>
page 147, "Child restraints on the front seat -
s ome important things to know ".•
LATCH Lower anchorages and
tethers for children
Child Restraint System anchors and how
are they related to child safety
T o prov ide a s imp le r a nd more practic able way to a ttach the child
restraint on the vehicle seat, Federal regulat ions require special
lowe r anch orages in ve hicl es and devi ces on new ch ild rest rain ts to
attac h to the veh icle anchorages.
Th e combination of the tether anchorages and the lower anchorages
is now gene rally called the
LATCH sys tem fo r "Lowe r Anch orages and
T ethers for Children ."
Forw ard -fa cing child res train ts manuf actured aft e r September 1,
1999, are required by U.S. federa l regu lat ions to comp ly with new
c hild head moveme nt performan ce requirements. These new per for -
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Installing a child restraint with LATCH
lower anchorages
Whenever you install a child restraint always follow the
child restraint manufacturer's instructions .
Mounting
Fig. 151 Lower
anchorages: proper
mounting
- Remove the cover* to access the lower anchorage attach ­
ment points.
- Make sure the seatback of the rear seat bench is in the
upright position and securely latched in place .
- Attach both hook-on connectors with the spring catch
release on the child safety seat onto the LATCH lower
anchorage so that the connectors lock into place
=> fig. 151.
-Pull on the connector attachments to make sure they are
properly attached to the LATCH lower anchorage.
- Pull straps tight following the child restraint manufac­
ture r's instructions.
Controls and equip­
ment Safety first Vehicle operation
Releasing
-
Loosen the tension on the straps following the child
restraint manufacturer's instructions.
- Depress the spring catches to release the anchorage hooks
from the lower anchorages .
Remember: Use tether straps to help keep the child restraint firmly
in place.
& WARNING
Improper use of the LATCH system can increase the risk of serious
personal injury and death in an accident.
• These anchors were developed only for child safety seats using
the "LATCH" system.
• Never attach other child safety seats, belts or other objects to
these anchors.
• Always make sure that you hear a click when latching the seat
in place. If you do not hear a click the seat is not secure and could
fly forward and hit the interior of the vehicle, or be ejected from
the vehicle.
& WARNING
Improper installation of child restraints will increase the risk of
injury in an accident.
• Always follow the child restraint system manufacturer's
instructions for proper installation of the child restraint system
and proper use of tether straps as well as the lower anchorages or
safety belts in your vehicle.
• Always read and heed the important information and WARN­
INGS about child safety and the installation of child restraint
systems =>
page 167, "Child Safety". •
Vehicle care Do-it-yourself service Technical data

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Closing the engine hood
- Pull the hood down until the pressure from the strut is
reduced.
- Let the hood
drop down and latch in place . Do not try to
push it shut;
it may fail to engage=> &.
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, stop at once and close it. •
Working in the engine compartment
Be especially careful whenever you work in the engine
compartment!
Whenever you must perform any work in the engine compartment,
for example checking and filling different fluids, there is a risk of
injury, burns and accidents. To prevent personal injury always
observe the following WARNINGS. The engine compartment of any
vehicle is a hazardous area!~
&
& WARNING
To help avoid injury, before you check anything under the hood :
• Turn off the engine.
• Remove the ignition key.
• Set the parking brake fully.
& WARNING (continued)
• Move selector lever of automatic transmission to "P" (Park);
put manual transmission in Neutral.
• Always let the engine cool down. Hot components will burn
skin on contact.
• To reduce the risk of being burned, never open the hood if you
see or hear steam or coolant escaping from the engine compart­
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire.
• Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm. The coolant system is pressurized and hot coolant could
spray out!
• Protect your face, hands and arm from steam or hot engine
coolant by placing a thick rag over the cap when you open the
coolant reservoir.
• If work on the fuel system or the electrical system is necessary:
-Always disconnect the battery .
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire.
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine is
running or being started, never touch:
- Ignition cables
- Other components of the high voltage electronic ignition
system.
• If you must perform a check or repair with the engine running: .,_

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level sensor, we still recommend you check the coolant leve l from
ti me to time.
Coolant loss
Coolan t loss may ind ic a te a leak in the coo ling sys tem. In the event of
coo lant loss, the cooli ng system should be inspected immed iately by
your au thor ized A udi dealer.
It is no t enough merely to add coolan t.
In a
s ealed system, losses can occur only if the boiling point of the
coo lant is exceeded as a res ult of overheating .
(D Note
Do not add any type of radiator leak sealant to yo ur vehicle's engine
c oo lant. Addi ng radia tor repa ir fluid m ay adverse ly affect the fun c­
tion and perfo rmance of your cooling system and could result in
damage not cove red by yo ur New Vehi cle Lim ited Warranty .•
Adding coolant
B e very careful when adding engine coolant.
Before you check anyt hing in the eng ine compartment ,
always read and heed all WARNINGS=> & in " Working i n
the e ngine compartment" on page
226.
-Tur n off the eng ine.
- Let t he engi ne c ool d ow n.
- Place a thick rag over the coolant expansion tank
=> pa ge 235, fig . 166 and carefully twist t he cap cou nte r­
clockwis e
=> &.
- Add coo lant.
- Tw ist the ca p on aga in
tightly .
Replacement eng ine coolant must conform to exact spec ificat ions
=> page 234, " Coolant" . Even in a n emergency, if coolant additive
Gl2 ++. Gl2+ or Gl2 is not available , do not use a d ifferent addit ive .
Use pla in w ate r ins tead until you can ge t the cor rect addi tive and can
restore the co rrect ratio . This sho uld be done as soon as possib le .
If you have lost a considerable amount of coolant, then you s houl d
ad d c old antifree ze and cold water only when the engine is cold .
Always use
new engine coo la nt w hen refilling .
Do not fill coolant above the "M AX" mark. Excess coo lant will be
forced out th rough the p ress ure relief va lve in the cap w hen the
eng ine becomes hot.
& WARNING
• The cooling system is under pressure and can get very hot.
Reduce the risk of scalding from hot coolant by following these
steps.
-Turn off the engine and allow it to cool down.
- Protect your face , hands and arms from escaping fluid and
steam by covering the cap with a large, thick rag.
- Turn the cap slowly and very carefully in a counter-clockwise
direction while applying light , downward pressure on the top
of the cap.
- To avoid being burned, do not spill antifreeze or coolant on
the exhaust system or hot engine parts . Under certain condi­
tions, the ethylen e gly col in engine coolant can catch fire .
• Antifreeze i s poi sonou s. Always store antifreeze in it s original
container and well out of the reach of children.
• If you drain the coolant , it mu st be caught and safely stored in
a p roper container clearly marked "poison ".
(D Note
• Coolant pollutes the environment and could cause an engine fire.
E xcess coolant w ill be forced o ut thro ugh the pressure relie f va lve in
the cap when the e ngine becomes hot .
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warning/ind icator light will illum inate. Contact an au thorized A ud i
d ealer
immediately .•
Changing brake fluid
H av e th e b rake flu id chang ed by an exper ienced tech ni­
ci an.
Br ake flui d abs orbs m oisture fro m the ai r. If t h e w ater con ten t in the
brake fl uid is too hig h, cor ros ion in th e brake system may res ult afte r
a p eriod of time. The boiling po int of t he br ake fl uid will al so decre ase
cons iderab ly and decrease brak ing perfo rma nce .
T he refo re, the brake fl uid m ust be c hanged
every two years . Always
use new brake fluid w hich conforms to Federal Motor Veh icle Stan­
dard "F MVSS 1 16 DOT 4".
Th e b rake fl uid r eservo ir can be diffi cult t o re ach, there fore, we
recommend that you have the brake fluid changed by your author ized
Audi dealer . Your dealer ha s t he correc t tool s, the ri ght brake fl uid
and the know -how to do t his for you.
& WARNING
• Brake fluid is poisonous. It must be stored only in the closed
original container out of the reach of children!
• Brake failure can result from old or inappropriate brake fluid.
Observe these precautions :
- Use only brake fluid that meets SAE specification
J 1703 and
conforms to Federal Motor Vehicle Standard 116 . Always check
with your authorized Audi dealer to make sure you are using
the correct brake fluid. The correct type of brake fluid is also
indicated on the brake fluid reservoir .
- The brake fluid must be new. Heavy use of the brakes can
cause a vapor lock if the brake fluid is left in the system too
long . This can seriously affect the efficiency of the brakes as
well as your safety . This could result in an accident .
0 Note
Brake fluid will damage the paint of you r ve hicl e.
<£' For the sake of the environment
Beca us e of the prob le m of proper dispo sal of b ra ke fl uid as well as
the spec ia l too ls req uired and the necessary expe rtise , w e r ecom­
me nd that you h ave t he brake fl uid chan ged by yo ur a uth oriz e d Audi
dea ler. •
Battery
General information
All wo rk on t he battery requires te chnica l k nowl ed ge !
Fig. 168 Engine
comp artment : Battery
with cover*
T he b att ery is lo cat ed in the e ng in e co mpar tmen t~ fig. 1 68 and is
nearly
maintenance-free.
Th e condition of the battery is che cked in the framewo rk of the
inspec tion .
Disconnecting the battery
The batte ry s ho ul d not be disconnected . Some vehicle funct io ns such
as powe r w indows are unavailable if the b attery te rminals a re discon -
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A
ABS
See Anti-lock brake system ........ 192
AC (air conditioner) .. ... ....... ...... 97
Accessories ................ .... .. .. 301
Adapter for anti -theft wheel bolts . .... 27S
Adding Engine coolant ... ............... 236
E ngine oil ....................... 232
Windshield washer flu id ........ ... 243
Additional accessories .. ............. 301
Add itional heater
Climate controls ................. 102
Additives Engine oil .. .. .. .. .. .. .... .... ... 232
Adjustable steering wheel column . .... 105
Adjusting Steering wheel column . .. .. .. ..... 105
Adjusting front seats .............. .. . 73
Advanced Airbag System Components ............. .... ... 152
Fr ont airbags . .. ................. 150
How the components work together . 153
Monitoring .. ................. .. 156
PASS ENGER AIR BAG OFF light .. ... 157
Air conditioner ....... ............... 97
See also Climate controls ....... ... . 95
Air conditioning Switching on and off ..... .......... 97
Air distribution Climate controls .. .... ... ...... .. 100 Air outlets
Adjusting the outlets for rapid
defrosting/defogging ........... 101
Climate controls ............... .. 101
Air quality sensor .................... 99
Air recirculat ion .......... ... ... ... . 100
Climate controls . . . . . . . . . . . . . . . . . . 99
When shou ld I use the air recirculat ion? ..
99
Air rec irculat ion mode Side curtain airbags .
........... .. 164
When must the system be inspected? 156
All Wheel Drive .. .... .. ........... .. 194
Alloy wheels ............ .... ..... .. 212
All-wheel drive Winter t ires .. .. .... ..... ..... . .. 261
Alternator
See Genera tor ........... .. .. .. .. . 15
Aluminum alloy whee ls ....... ... .. .. 212
Ambient lighting .............. ...... 62
Climate controls .................. 99
6
Anti-glare inside day-night mirror.
. . . 3, 64
Airbag
Anti-lock brake system
Warning/indicator l ights . .. .. .. .. .. 15 k
How the ABS system wor s .. .... .. 192
Ai rbag System
Warning/indicator lights ... ........ 16
Weight-sensing mat ... .... .. ..... 168 ( )
Anti-Slip Regulation System ASR
Airbag system ................ .. 145, 162 H th t k l90
ow e sys em wor s ........ ... .
Advanced Airbag System .......... 149
159 Anti-theft systems
Care .................... .. .. .. .
Child restraints ...... ... .. .. .... . 169 Anti-Theft Alarm System ........... 48
Children ....... .. .. .. ...... .... .
168 Anti-theft whee
l bolts . ......... ... .. 275
Components (front airbags) . .. .... . 152
Danger of fitting a child safety seat on the front passenger seat ............ 147
Disposal ........ .... ..... .. .... . 159
Front airbags .............. ... .. . 149
How do the front ai rbags work? .. ... 154
How many airbags does my vehicle have? .
152
Important things to know ... ... .. . 145
Indicator light ................... 156
Monitoring .............. .. ... .. 156
Repairs ......... .... ..... .. .. ... 159
Side airbags ..................... 161 Armrest
Center armrest . .................. 79
Rear armrest .. .. ... .. . .. .. .. .. .. . 80
ASR How the Anti-Slip Regulation System works . ........... ...... .... .. 190
Asterisk What does it mean when something is
marked with an asterisk? . . . . . . . . . . . 5
Audi magnetic ride . ........... .. . 12, 112
Description .. ...... ............. 112
Indicator light .... .. ............. . 12

-Alphabetical inde x --!.-- _..;____ _______:_::.:...:.....:..:=-=.:...:.. ______________________ _
Central locking
panoramic sl iding sunroof closing .... 52
Certification . ..... .. .... .. ... ... ... 303
Chang ing a flat tire .. .. .. .. ......... 272
Chang ing engine oil .. .. .... ......... 232
Chassis Undercoat ing ... .. .. ...... ... . .. . 213
See also A udi magnetic ri de .... . ... 1 12
Checking Engine coo lant level ............ .. 235
Checking tire pressure ............. .. 252
Ch ild restra int
Danger of using child res traints in the front
seat . ... .... ... ... . .... ... .. .. 1 47
Child restraint system anchors ... .. .. . 180
Chi ld restra ints
Where can I get add it io na l info rmation
about ch ild restraints and the ir use? ...
186
Child safety ......... ... ... ... .. 1 67, 172
Convert ible lock ing retractor ... .. .. 1 77
Important safety inst ruct ions fo r us ing
child safety seats ............. .. 170
Important things to know when driving w it h children ............. .... .. 16 7
Inst alling a child res traint using the LA TCH
system .................... ... 183
Mounting and re leas ing the anchorage
hook . ....... .. ... . ..... .. .... 1 83
Tether anchors . .. .. .. .. .. ... .... 184
Tether straps .................... 184
Chi ld safety lock .............. .... ... 47 Chi
ld safety seats ... .. .. ... . ... .. .. . 172
Booster seats .... .. .. .. .. ... .... 175
Convert ible chi ld seats .......... .. 173
Convert ible lock ing retractor . . . . . . . 177
How do I properly install a child safe ty seat
. h. l 7 inmyve ice ............ .. .. .. . 170
Infant seats .............. .. ..... 172
Insta lling .... .... .. .. .. .... ..... 177
LATC H system .... .... .. .... .. .. . 183
Safety instruct ions .. .. .. .. .. .. ... 170
Chi ld seats
Lower anchorages ......... .. .. ... 182
Cle ani ng
Alcan ta ra (syn thetic suede) . .. .... . 217
E ngine compa rtme nit ... .. ... .. .. . 218
Exha ust ta il pipes .... ... . ... .. .. . 213
Fabrics and fabric coverings ... .... . 213
Instrument pane l ..... .... .. .. .. . 214
Inte rior ..... .. .. .. .. ...... ..... 213
Leather ......... .... .. .. .. .... . 216
Plastic and viny l .. ............. .. 210
Plastic parts ........... ... ...... 214
Safety belts ........... ... ... .... 217
T. t. nm s rips .... ...... ... . ... .. .. . 209
t rim str ips .. ............. .. .... . 210
Cleaning and protection ...... .. ..... 206
Climate controls . ... ... .. ... ... .. .. .. 95
Add itiona l heater . ... .. .. .. .. ... . 102
Air distribution .. ..... .... .. .. .. . 100
Air outlets .... ........... .. .... . 101
Air rec irculation ................. 100
Air rec irculat ion mode (manual) ... .. 99
AUTO (standard setting) .......... .. 98
Automatic a ir recircu lation .. .. .. .. .. 99 Controls ..
..... .. .. .. . ... ... .. .. . 97
Defrost ing/defogg ing ............. 98
Desc ription .. .. .................. 95
Fan .. ..... .. ... .. ... . .. .... .. .. 100
Key-coded set ting . .. ............. 1 02
Recommended se tt ings ........... . 95
Sett ing the tempera ture . .......... 98
Swit ching be tween Fahrenhe it and
Centigrade . .. .. .. .. .. .. ..... ... 99
Switching the a ir condit ion ing on and off .
97
Using the climate cont rol economically ..
10 1
Wa rm and co ld .. .... .. .. .. .. .. .. . 95
Clock ................. ...... .... .. .. 9
Clu tc h pe dal
Indica to r li ght .. .. .. ..... .... ... .. 33
Coa t hoo ks . ................. ...... . 94
Cold t ire inflation p ressure ........... 249
c oming home . .. ...... ............. . 57
Compa rtments in t he door tr ims ....... 93
Compass mirror ... .. .. .. .. ... ..... .. 71
Comp liance ... .. ... ... ... ... ... .. .. 303
Consumer Information ........ .. 133, 299
Con ta ct ing N HTSA ....... ... .. .... .. 133
Conven ience close/open feature
Wi ndows ....... ......... ... .. ... SO
Convert ible child safety seats ......... 173
C onvert ible lo cking re tra cto r
A ct ivat ing .......... ...... ...... 1 79
Deac tiva ting ... .. .. .. .. ... .. . ... 180
Using to sec ure a child safety seat . . 177,
179